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Ok this is going to be a real stupid question. re: headgasket

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Old 10-20-2005, 09:12 PM
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Default Ok this is going to be a real stupid question. re: headgasket

So say I've put in 81.5mm pistons. Can I use a stock headgasket?

Old 10-20-2005, 09:20 PM
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Default Re: Ok this is going to be a real stupid question. re: headgasket (Dr Pooface)

nm, answered my own ? with a little research. The answer is "No, you idiot."
Old 10-20-2005, 09:21 PM
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Default Re: Ok this is going to be a real stupid question. re: headgasket (Dr Pooface)

well done.
Old 10-20-2005, 10:28 PM
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Default Re: Ok this is going to be a real stupid question. re: headgasket (Dr Pooface)

<TABLE WIDTH="90%" CELLSPACING=0 CELLPADDING=0 ALIGN=CENTER><TR><TD>Quote, originally posted by Dr Pooface &raquo;</TD></TR><TR><TD CLASS="quote">nm, answered my own ? with a little research. The answer is "No, you idiot."</TD></TR></TABLE>
Your not an idiot. Honda made the headgaskets .5 over from stock so you could use over sized pistons. You were told false information
Old 10-21-2005, 05:23 AM
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Default Re: Ok this is going to be a real stupid question. re: headgasket (jdmintegraxsi)

<TABLE WIDTH="90%" CELLSPACING=0 CELLPADDING=0 ALIGN=CENTER><TR><TD>Quote, originally posted by jdmintegraxsi &raquo;</TD></TR><TR><TD CLASS="quote">Your not an idiot. Honda made the headgaskets .5 over from stock so you could use over sized pistons. You were told false information </TD></TR></TABLE>

Well, I've got a stock head gasket sitting on my 81.5mm block right now, and there is gasket in the chamfered area of the cylinders.
Old 10-21-2005, 05:44 AM
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you can use it, with absolutly no problems or power loss.
Old 10-21-2005, 06:57 AM
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Default Re: Ok this is going to be a real stupid question. re: headgasket (Dr Pooface)

If your head chambers are 81mm then why wouldn't you be able to use a stock head gasket?
Old 10-21-2005, 01:13 PM
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Default Re: Ok this is going to be a real stupid question. re: headgasket (Muckman)

<TABLE WIDTH="90%" CELLSPACING=0 CELLPADDING=0 ALIGN=CENTER><TR><TD>Quote, originally posted by Muckman &raquo;</TD></TR><TR><TD CLASS="quote">If your head chambers are 81mm then why wouldn't you be able to use a stock head gasket?</TD></TR></TABLE>

Because part of the gasket will be exposed to the combustion chamber. I don't know about you, but the thought of having a thin piece of stainless in there gives me shivers. Hot spots=detonation city.
Old 10-21-2005, 01:29 PM
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Default Re: Ok this is going to be a real stupid question. re: headgasket (Dr Pooface)

It should fit. Are you sure it is 81.5mm? If you look on Honda or Acura, they sell oversize pistons but one size headgasket....
Old 10-21-2005, 02:16 PM
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Default Re: Ok this is going to be a real stupid question. re: headgasket (Doodoo)

i've used an straight-from-honda headgasket, slapped it on an 81.5mm bore motor w/ room to spare, and the motor runs fine

the bore on oem HG's is a little bigger than 81.000000000000 mm
Old 10-21-2005, 04:28 PM
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Default Re: Ok this is going to be a real stupid question. re: headgasket (Dr Pooface)

<TABLE WIDTH="90%" CELLSPACING=0 CELLPADDING=0 ALIGN=CENTER><TR><TD>Quote, originally posted by Dr Pooface &raquo;</TD></TR><TR><TD CLASS="quote">Because part of the gasket will be exposed to the combustion chamber. I don't know about you, but the thought of having a thin piece of stainless in there gives me shivers. Hot spots=detonation city.</TD></TR></TABLE>

I dont think you understood the point I was trying to make. If you have an 81.5mm bore and a 81mm head. Thats a sharp edge in the combustion chamber too.
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